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CT diagnosis of recurrence after pancreatic cancer:Is there a pattern?

World Journal of Gastroenterology 2011年第9期17卷 1126-1134页

作者： Tobias Heye Nicola Zausig miriam klauss Reinhard Singer Jens Werner Gtz Martin Richter Hans-Ulrich Kauczor Lars Grenacher Department of Diagnostic and Interventional Radiology University Hospital Department of Surgery University Hospital Department of Diagnostic and Interventional Radiology Katharinen Hospital

AIM:To investigate predilection sites of recurrence of pancreatic cancer by computed tomography(CT)in follow-up after surgery. METHODS:Seventy seven patients with recurrence after pancreatic cancer surgery were retrospectively *** operative technique,R-status,T-stage and development of tumor markers were evaluated. Two radiologists analyzed CT scans with consensus *** of local recurrence,lymph node recurrence and organ metastases were *** and progression of findings on follow-up CT were con-sidered as reference standard. RESULTS:The mean follow-up interval was 3.9± 1.8 mo,with a mean relapse-free interval of 12.9± 10.4 *** predominant site of recurrence was local (65%),followed by lymph node(17%),liver metastasis (11%)and peritoneal carcinosis(7%).Local recurrence emerged at the superior mesenteric artery(n=28),the hepatic artery(n=8),in an area defined by the surrounding vessels:celiac trunk,portal vein,inferior vena cava(n=22),and in a space limited by the mesenteric artery,portal vein and inferior vena cava(n=17). Lymph node recurrence occurred in the mesenteric root and left lateral to the *** was confirmed by surgery(n=22)and follow-up CT(n=55).Tumor markers[carbohydrate antigen 19-9(CA19-9),carcinoembryonic antigen(CEA)]increased in accordance with signs of recurrence in most cases(86%CA19-9;79.2% CEA). CONCLUSION:Specific changes of local and lymph node recurrence can be found in the course of the cardinal peripancreatic *** superior mesenteric artery is the leading structure for recurrence.

关键词： Pancreatic cancer Recurrence Computed tomography Follow-up Tumor marker

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